added steam

home/yaroslav/home.nix

@@ -61,7 +61,7 @@ in
     remmina
     nekoray
     python3
-#    prismlauncher
+    prismlauncher
     kdePackages.kcalc
     ayugram-desktop
     distrobox

home/yaroslav/steam.nix

@@ -0,0 +1,16 @@
+{ lib, ... }:
+{
+  programs.steam = {
+  enable = true;
+  remotePlay.openFirewall = true; # Open ports in the firewall for Steam Remote Play
+  dedicatedServer.openFirewall = true; # Open ports in the firewall for Source Dedicated Server
+  localNetworkGameTransfers.openFirewall = true; # Open ports in the firewall for Steam Local Network Game Transfers
+};
+
+  nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+    "steam"
+    "steam-original"
+    "steam-unwrapped"
+    "steam-run"
+  ];
+}